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TAS5709AGPHPR PDF预览

TAS5709AGPHPR

更新时间： 2024-09-16 13:00:43
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器
页数 文件大小 规格书
59页 1266K
描述
20-W stereo, 8- to 24-V supply, digital input, open loop Class-D audio amplifier w/ speaker EQ & DRC 48-HTQFP 0 to 85

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TAS5709AGPHPR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Preview零件包装代码：QFP
包装说明：HTFQFP, TQFP48,.35SQ针数：48
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.18
标称带宽：20 kHz商用集成电路类型：AUDIO AMPLIFIER
谐波失真：10%JESD-30 代码：S-PQFP-G48
JESD-609代码：e4长度：7 mm
湿度敏感等级：3信道数量：2
功能数量：1端子数量：48
最高工作温度：85 °C最低工作温度：
标称输出功率：20.6 W封装主体材料：PLASTIC/EPOXY
封装代码：HTFQFP封装等效代码：TQFP48,.35SQ
封装形状：SQUARE封装形式：FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260电源：3.3,18 V
认证状态：Not Qualified座面最大高度：1.2 mm
子类别：Audio/Video Amplifiers最大压摆率：83 mA
最大供电电压 (Vsup)：3.6 V最小供电电压 (Vsup)：3 V
表面贴装：YES温度等级：OTHER
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7 mm
Base Number Matches：1

TAS5709AGPHPR 数据手册

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TAS5709  
www.ti.com ........................................................................................................................................................................................... SLOS599–NOVEMBER 2008  
20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC  
1
FEATURES  
•
Audio Input/Output  
Performance  
–
–
–
20-W Into an 8-Ω Load From an 18-V Supply  
–
DRC: Dynamic Range Compression. Can  
Be Used As Power Limiter. Enables  
Speaker Protection, Easy Listening,  
Night-Mode Listening.  
Wide PVDD Range, From 8 V to 24 V  
Efficient Class-D Operation Eliminates  
Need for Heatsinks  
–
–
2-Band DRC: Set 2 different thresholds for  
low and high frequency content.  
–
–
Requires Only 3.3 V and PVDD  
One Serial Audio Input (Two Audio  
Channels)  
Autobank Switching: Preload Coefficients  
for Different Sample Rates. No Need to  
Write new Coefficients to the Part When  
Sample Rate Changes.  
–
Supports 8-kHz to 48-kHz Sample Rate  
(LJ/RJ/I2S)  
•
Audio/PWM Processing  
–
Autodetect: Automatically Detects  
Sample-Rate Changes. No Need for  
External Microprocessor Intervention  
–
Independent Channel Volume Controls With  
24-dB to Mute  
–
–
Soft Mute (50% Duty Cycle)  
DESCRIPTION  
Programmable 2-Band Dynamic Range  
Control  
The TAS5709 is a 20-W, efficient, digital audio power  
amplifier for driving stereo bridge-tied speakers. One  
serial data input allows processing of up to two  
discrete audio channels and seamless integration to  
most digital audio processors and MPEG decoders.  
The device accepts a wide range of input data and  
data rates. A fully programmable data path routes  
these channels to the internal speaker drivers.  
–
22 Programmable Biquads for Speaker EQ  
and Other Audio Processing Features  
–
–
–
–
–
Programmable Coefficients for DRC Filters  
Programmable Input and Output Mixers  
DC Blocking Filters  
Support for 3D Effects  
The TAS5709 is a slave-only device receiving all  
clocks from external sources. The TAS5709 operates  
with a PWM carrier between 384-kHz switching rate  
and 352-KHz switching rate depending on the input  
Pseudo Bass Support  
•
General Features  
–
–
–
–
Serial Control Interface Operational Without  
MCLK  
sample rate. Oversampling combined with  
a
fourth-order noise shaper provides a flat noise floor  
and excellent dynamic range from 20 Hz to 20 kHz.  
Factory-Trimmed Internal Oscillator for  
automatic rate detection  
Surface Mount, 48-PIN, 7-mm × 7-mm  
HTQFP Package  
Thermal and Short-Circuit Protection  
•
Benefits  
EQ: Speaker Equalization Improves Audio  
–
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008, Texas Instruments Incorporated  
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